ghostwrite

• POS: Verb (usu participle)
• HYPHEN: ghost=write

CIDE DICTIONARY

ghostwrite, v. t. 

 To write (a book, article, speech, etc.) for someone else; -- the written material appears under the name of the person for whom it was written.  [WordNet 1.5]

THESAURUS

ghostwrite

act for, author, change places with, coauthor, collaborate, compose, crowd out, cut out, dash off, displace, double for, editorialize, fill in for, formulate, free-lance, ghost, indite, knock off, knock out, novelize, pamphleteer, pinch-hit, prepare, produce, relieve, replace, represent, scenarize, spell, spell off, spook, stand in for, subrogate, substitute for, succeed, supersede, supplant, swap places with, throw on paper, understudy for, write